package com.dgut.hello.runner;

import org.springframework.boot.CommandLineRunner;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;

import java.util.Arrays;

public class Runner {

    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {

            System.out.println("由Spring Boot注册的所有Bean: ");

            String[] beanNames = ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for(String beanName : beanNames){
                System.out.println(beanName);
            }

        };
    }
}
